Phrasal Verb: Grow Out Posted on 13th October 201725th September 2017 by DoubleClick grow out of something means get too big for (e.g. Ann needs a new pair of shoes because she has grown out of her old ones.) Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Posted in Phrasal Verb and tagged Grow Out, Phrasal verb.